Pons and Medulla

Pons and Medulla - • Contains motor and sensory tracts...

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Pons: Extends/receives nerve fibers V, VI, VII, and VIII A large mass rostral to the medulla (swellings of the hindbrain) and anterior to the cerebellum (2.5 cm in length) Contains motor and sensory tracts that communicate between spinal cord and brain Contains nuclei regulating the respiratory centers in the medulla Contains nuclei for four cranial nerves Hearing/equilibrium Medulla (medulla oblongata): Most caudal part of the brain stem and continuation of the upper spinal cord
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Unformatted text preview: • Contains motor and sensory tracts that communicate between the spinal cord and brain • Contains: o Cardiac center: neural network which controls heartbeat and contractions o Medullary rhythmicity area: o Vasomotor center: constriction/dialation of blood vessels o Nuclei for five cranial nerves: pyramid structure- pyramidal part of the medullar; cranial nerves 8, 9, 10, 11, 12 originate/terminate here; vomiting, coughing, hiccupping, sneezing...
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This note was uploaded on 04/23/2011 for the course BIME 2102 taught by Professor Kim during the Spring '11 term at UVA.

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